Mihiri is an experienced private client specialist who qualified in 2009 at a Southampton firm before joining Trethowans in 2015. She now leads the firm’s highly regarded Private Client team. Recognised for her depth of expertise, Mihiri is ranked in Band 1 in the Chambers High Net Worth Guide 2025 and acknowledged as a Leading Partner in The Legal 500 2026 guide. She is also a full member of the Society of Trust and Estate Practitioners (STEP). Over the course of her career, Mihiri has developed a significant practice advising high‑net‑worth individuals, families, business owners and trustees on complex estate planning and succession matters.
What was your career path to your current role?
I had a relatively standard career path, after A-Levels I did a non-law degree and then completed the Graduate Diploma in Law followed by the Legal Practice Course.
Did you have any other career ambitions?
I originally wanted to be a journalist and after GCSEs did work experience at various newspapers and that was still something I wanted to do when I started my degree.
What keeps you motivated in your work?
Most of the time enjoying what I do and having generally nice clients. Most importantly, working at Trethowans means working at a firm with a fantastic culture and I have a team who are genuinely nice and help each other out and make me enjoy coming to work.
What has been the best development in wills and probate in the last 20 years?
Legal power of attorney activation codes. Not having to certify lots and lots of LPAs for clients and having a system where they can quickly check online improves the process so much.
And the worst?
The Probate Registry going online. It was a nightmare in covid and, whilst it has improved since, it has made the applications that cannot go online so much slower – in some cases years.
If you could bring in one new piece of legislation for the sector, what would it be and why?
I would increase the IHT allowances for the farmers who have farmed for seven years, rather than had their farms occupied by farming. Those working on farms are often cash poor – selling off land to pay the IHT just reduces their already stretched income.
What piece of legislation would you take off the statute books and why?
That wills are revoked by marriage. This catches out people who don’t realise and can result in very unfair outcomes.
What’s the best piece of advice anyone ever gave you regarding your career?
Don’t ever think you have to do this for your whole life.
What advice would you like to give to someone just starting out?
Work with people who are kind and like-minded. The atmosphere you work in makes such a difference
Tell us something people may be surprised to know about you…
I have a phobia of bananas
If you’d like to appear in a future profile, email press@todayswillsandprobate.co.uk
